body {
    background-color: black;
    text-align: center;
}

.container{
    background-color: grey;
    width: 400px;
    margin: 0 auto;
    padding: 10px;
}

#start { background-color: green; }
#stop { background-color: red; }

#timer {
    width: 300px;
    font-size: 3em;
    color: silver;
    border: 2px dashed #2E9AFE;
    padding: 10px;
    margin: 0px auto;
}

.buttonWrapper {
    width: 350px;
    padding: 10px;
    margin: 0px auto;
    overflow: hidden;
}

button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

button {
    display: inline;
    border: 1px solid #25729a;
    border-radius: 3px;
    padding: 10px 10px 10px 10px;
    margin: 5px 10px;
    width: 80px;
}

button:hover { border: 1px solid #1c5675; }

#showResults { width: 350px; }

#results { margin: 0px auto; width: 380px; }
#results table {
    display: none;
    margin-top: 10px;
    border-collapse: collapse;
    width: 100%;
}
#results th, td {
    padding: 0.25rem;
    text-align: left;
    border: 1px solid #ccc;
}
#results tbody tr:nth-child(odd) {
    background: #eee;
}

.clock-wrapper {
    display: inline;
    height: 250px;
    width: 250px;
    overflow: hidden;
}